39906920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{32183}}^1$

素因数の和:32225

約数の個数: 32

約数和(自身を含む): 92689920

約数和(自身を除く): 52783000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 32183, 64366, 128732, 160915, 257464, 321830, 643660, 997673, 1287320, 1995346, 3990692, 4988365, 7981384, 9976730, 19953460, 39906920]

約数ペア:

[(1, 39906920), (2, 19953460), (4, 9976730), (5, 7981384), (8, 4988365), (10, 3990692), (20, 1995346), (31, 1287320), (40, 997673), (62, 643660), (124, 321830), (155, 257464), (248, 160915), (310, 128732), (620, 64366), (1240, 32183)]